"Get on the PA system and tell him to give up," said one agent.

The band played on, however, as the PA system was still operational.

In this case you may use a PA system only between the hours of 12.00 and 19.00.

This was changed in 1951, when the style scores started being announced over the PA system.

Try out the PA system on site; don't take the management's word that they'll do it for you.

Why don't you just call me over your PA system?

He had a thought and switched on the PA system.

An hour and forty-five minutes later, a male voice came over the PA system.

One black mark was the standard of the PA system on the day.

But he hadn't heard a code blue over the PA system yet.

I'm not sure the same can be said for the city and the public school system.

We look forward to our work together in building a strong public health system.

Atlanta's public school system has about 100 schools and 48,000 students.

The public school system has a $14.5 billion budget in 2008-2009.

It is the only public school systems in the county.

However, he said his goal was not to end the American public school system.

The great majority of Americans still use the public school system.

Their health systems, public and private, are among the best in the region.

The first public water system was developed in the 1950s.

There was a public address system, as in high school.